12091110000 has 100 divisors (see below), whose sum is σ = 39031812072. Its totient is φ = 3224288000.

The previous prime is 12091109977. The next prime is 12091110001. The reversal of 12091110000 is 1119021.

12091110000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12091110001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 171519 + ... + 231518.

Almost surely, 2^12091110000 is an apocalyptic number.

12091110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12091110000 is an abundant number, since it is smaller than the sum of its proper divisors (26940702072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12091110000 is an equidigital number, since it uses as much as digits as its factorization.

12091110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403068 (or 403047 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 12091110000 its reverse (1119021), we get a palindrome (12092229021).

The spelling of 12091110000 in words is "twelve billion, ninety-one million, one hundred ten thousand".